diff --git a/doxyfile_options b/doxyfile_options
index bb75f1c..2764893 100644
--- a/doxyfile_options
+++ b/doxyfile_options
@@ -2069,6 +2069,7 @@
                          DEVICE_ANALOGIN         \
                          DEVICE_ANALOGOUT        \
                          DEVICE_CAN              \
+                         DEVICE_CRC              \
                          DEVICE_ETHERNET         \
                          DEVICE_EMAC             \
                          DEVICE_ETH              \
diff --git a/doxygen_options.json b/doxygen_options.json
index b7e40ec..3677ddc 100644
--- a/doxygen_options.json
+++ b/doxygen_options.json
@@ -6,7 +6,7 @@
     "SEARCH_INCLUDES": "YES",
     "INCLUDE_PATH": "", 
     "INCLUDE_FILE_PATTERNS": "", 
-    "PREDEFINED": "DOXYGEN_ONLY DEVICE_ANALOGIN DEVICE_ANALOGOUT DEVICE_CAN DEVICE_ETHERNET DEVICE_EMAC DEVICE_FLASH  DEVICE_I2C DEVICE_I2CSLAVE DEVICE_I2C_ASYNCH DEVICE_INTERRUPTIN DEVICE_ITM DEVICE_LOWPOWERTIMER DEVICE_PORTIN DEVICE_PORTINOUT DEVICE_PORTOUT DEVICE_PWMOUT DEVICE_RTC DEVICE_TRNG DEVICE_SERIAL DEVICE_SERIAL_ASYNCH DEVICE_SERIAL_FC DEVICE_SLEEP DEVICE_SPI DEVICE_SPI_ASYNCH DEVICE_SPISLAVE DEVICE_STORAGE \"MBED_DEPRECATED_SINCE(f, g)=\" \"MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, M)=\" \"MBED_DEPRECATED(s)=\"",
+    "PREDEFINED": "DOXYGEN_ONLY DEVICE_ANALOGIN DEVICE_ANALOGOUT DEVICE_CAN DEVICE_CRC DEVICE_ETHERNET DEVICE_EMAC DEVICE_FLASH  DEVICE_I2C DEVICE_I2CSLAVE DEVICE_I2C_ASYNCH DEVICE_INTERRUPTIN DEVICE_ITM DEVICE_LOWPOWERTIMER DEVICE_PORTIN DEVICE_PORTINOUT DEVICE_PORTOUT DEVICE_PWMOUT DEVICE_RTC DEVICE_TRNG DEVICE_SERIAL DEVICE_SERIAL_ASYNCH DEVICE_SERIAL_FC DEVICE_SLEEP DEVICE_SPI DEVICE_SPI_ASYNCH DEVICE_SPISLAVE DEVICE_STORAGE \"MBED_DEPRECATED_SINCE(f, g)=\" \"MBED_ENABLE_IF_CALLBACK_COMPATIBLE(F, M)=\" \"MBED_DEPRECATED(s)=\"",
     "EXPAND_AS_DEFINED": "", 
     "SKIP_FUNCTION_MACROS": "NO",
     "STRIP_CODE_COMMENTS": "NO",